@article{10_21136_CPM_1970_108335,
     author = {Barto\v{s}, Pavel},
     title = {Pozn\'amka o po\v{c}te rie\v{s}en{\'\i} rovnice $\frac1x + \frac1y = \frac{a}{b}$ v prirodzen\'ych \v{c}{\'\i}slach},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {411--415},
     publisher = {mathdoc},
     volume = {095},
     number = {4},
     year = {1970},
     doi = {10.21136/CPM.1970.108335},
     mrnumber = {0276171},
     zbl = {0208.30601},
     language = {sk},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1970.108335/}
}